UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net sales	$ 460,736	$ 343,043
Cost of sales	200,690	138,941
Gross margin	260,046	204,102
Operating expenses:
Sales, general and administrative	152,669	116,567
Research and development	91,097	70,927
Total operating expenses	243,766	187,494
Income from operations	16,280	16,608
Interest income, net	10,374	9,666
Other income, net	139,066	15,610
Income before provision (benefit) for income taxes	165,720	41,884
Provision for (benefit from) income taxes	32,502	(3,255)
Net income	$ 133,218	$ 45,139
Net income per common and common equivalent shares:
Basic (in dollars per share)	$ 1.77	$ 0.62
Diluted (in dollars per share)	$ 1.73	$ 0.61
Weighted average number of common and common equivalent shares outstanding:
Basic (in shares)	75,355	72,638
Diluted (in shares)	77,132	73,880
Net income	$ 133,218	$ 45,139
Foreign currency translation adjustments	(801)	1,676
Unrealized gain (loss) on available-for-sale investments	(106)	184
Comprehensive income	132,311	46,999
Product
Net sales	272,048	219,389
Cost of sales	151,698	107,584
Service
Net sales	188,688	123,654
Cost of sales	$ 48,992	$ 31,357